Home / 798,717,638.30-1,198,205,196.91-246,019,809.61

Finding the Fourth Proportional to 798,717,638.30, 1,198,205,196.91 and 246,019,809.61

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Solution

The fourth proportional to 798,717,638.30, 1,198,205,196.91 and 246,019,809.61 is: 369,069,368.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,717,638.30 : 1,198,205,196.91 = 246,019,809.61 : x
  2. Step 2: Convert to fraction form
    798,717,638.30/1,198,205,196.91 = 246,019,809.61/x
  3. Step 3: Cross multiply
    798,717,638.30x = 1,198,205,196.91 × 246,019,809.61
  4. Step 4: Simplify right side
    798,717,638.30x = 294,782,214,417,510,784
  5. Step 5: Solve for x
    x = 294,782,214,417,510,784/798,717,638.30
  6. Step 6: Final answer
    x = 369,069,368.55

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.